15559440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4987}}^1$

素因数の和:5016

約数の個数: 80

約数和(自身を含む): 51955008

約数和(自身を除く): 36395568

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 4987, 9974, 14961, 19948, 24935, 29922, 39896, 49870, 59844, 64831, 74805, 79792, 99740, 119688, 129662, 149610, 194493, 199480, 239376, 259324, 299220, 324155, 388986, 398960, 518648, 598440, 648310, 777972, 972465, 1037296, 1196880, 1296620, 1555944, 1944930, 2593240, 3111888, 3889860, 5186480, 7779720, 15559440]

約数ペア:

[(1, 15559440), (2, 7779720), (3, 5186480), (4, 3889860), (5, 3111888), (6, 2593240), (8, 1944930), (10, 1555944), (12, 1296620), (13, 1196880), (15, 1037296), (16, 972465), (20, 777972), (24, 648310), (26, 598440), (30, 518648), (39, 398960), (40, 388986), (48, 324155), (52, 299220), (60, 259324), (65, 239376), (78, 199480), (80, 194493), (104, 149610), (120, 129662), (130, 119688), (156, 99740), (195, 79792), (208, 74805), (240, 64831), (260, 59844), (312, 49870), (390, 39896), (520, 29922), (624, 24935), (780, 19948), (1040, 14961), (1560, 9974), (3120, 4987)]